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converting a stihl

Old 02-11-2005, 02:50 PM
  #26  
tripp3d
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Default RE: converting a stihl

I think you may be right about different cranks, I just tapped it to fit the larger crank. Fits fine. I think I went to sleep last night thinking about that muffler you made. It looks great!
Old 02-11-2005, 07:19 PM
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KenLambert
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Default RE: converting a stihl

got the package tonight thanks for the parts and wrenches , I you have a problem with the hub just let me know
Old 02-12-2005, 10:44 PM
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air mail rcu
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Default RE: converting a stihl

bofrcr, I have converted a few weedeater motor with very good results.

I have a question for you. Where do you get most of your motors?


Thanks
Terry
Old 02-12-2005, 11:53 PM
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Default RE: converting a stihl

Ken: Can you tell me what CC displacement a older Stihl 011AV chainsaw engine has? Thanks Capt,n
Old 02-13-2005, 01:03 AM
  #30  
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Default RE: converting a stihl

I'm sure mr.Tripp can he is the stihl parts man . I just do the conversions
Old 02-15-2005, 05:59 PM
  #31  
tripp3d
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Default RE: converting a stihl

Ken, I think I may have spoke too soon. I used a drill press before a retapped threads and got off center somehow. I may need to buy a hub from you tapped to 9 mm but just like the other one otherwise. MY FAULT NO DOUBT. Just let me know how much I need to pay you for the other hub if you can still provide this service. Thanks, Tripp
Old 02-15-2005, 08:21 PM
  #32  
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Default RE: converting a stihl

I will get one made up is it 9x 1.00 ?
Old 02-15-2005, 11:33 PM
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Default RE: converting a stihl

Ken....can you post the typical thread sizes (crankshaft) found on chainsaw, blower and weed whip engines. Thanks Capt Ps anyone who will post know sizes here...then we will all know!!
Old 02-16-2005, 11:52 AM
  #34  
tripp3d
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Default RE: converting a stihl

9 x 1.00 would be great
Old 02-16-2005, 11:53 AM
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tripp3d
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Default RE: converting a stihl

Cap'n John, give me a day or two and I will list some of the more popular Stihl crank sizes.
Old 02-16-2005, 07:15 PM
  #36  
KenLambert
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Default RE: converting a stihl

capt.

I will get a list of what I know posted for you and others in a day or two
Old 02-16-2005, 08:57 PM
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Default RE: converting a stihl

here are some of them off the top of my head .
Ryob
long shaft 3/8x24
short shaft 5/16x24
Homie
long shaft 3/8x24
short shaft 5/16x24
Poulan
36cc 3/8x24
54cc 3/8x24
42/46cc 5/16x24
60 cc 3/8x24

stihl
24.5 cc 8mmx1.00
27cc 8mmx1.00
or 3/8 x 24 if the long shaft
Husky
most smaller are 8mmx 1.00
thats all i can think of at this time .I may have to go to the shop and do some measuring on different ones
Old 03-08-2005, 08:11 AM
  #38  
bofrcr
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Default RE: converting a stihl

Hey! guy!! Sorry it's taken so long to get back to you! I haunt the chain saw shops,,and outdoor power equipment stores,, you'll find that most of the guy's in the saw shops already are aware of the use of these engines in our planes. Once you get to know these guy's,,and it'll take dropping in on a weekly basis,,let them know what your looking for. At a shop where I patronize,,the mechanic saw me walk in one day,,hollered at me to come back in the shop,,and wanted to know if I would be interested in an engine,,and pulled out a echo twin!!! I about fell on the floor!! The BME engine is the direct decendant of this!!,,turning the engine over,,I soon found out it was shot,[&o], I think it would be interesting pursuing that,, you also nose around garage sales,, estate sales,,etc. there's LOT'S of engines out there!! If you want to go much above 5 cu. ",,you'll have to consider the twin,,as the reciprocating dynamics have a lot of counterwieght on the crankshaft,,making it heavy,,and shake too. I also have a 3w-100 and a da150,,both smooth engines. ok,,,I'll stop rambling,,,any more questions,,feel free to ask!!
Old 03-13-2005, 10:49 PM
  #39  
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Default RE: converting a stihl

Ken Lambert: looks like you got a good start on the thread size on crankshafts. I wonder what a Red max 40cc engine has for thread size? Thanks Capt,n
Old 03-16-2005, 10:33 PM
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Default RE: converting a stihl

Tripp trying to get one of each of the new 4-stroke trimmer motor to do side by side test looking to get stihl, briggs & stratton, shidiawa, ryobi, and honda. Have access to machine equip. and have done a few two stokes. Just wanting to know if I would be able to get just a power head of it or if not could I drive to Memphis & buy one from you & maybe sell back some spare parts I would not be needing.

Thanks Hubert
Old 03-17-2005, 10:24 AM
  #41  
tripp3d
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Default RE: converting a stihl

hblester, not a problem, shave 100.00 off of either model for just power unit
Old 03-17-2005, 10:47 AM
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hblester
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Default RE: converting a stihl

Send a pm or e-mail to me with my final cost for each may have to work out an weekend trip to Memphis.

Thanks Hubert
Old 03-17-2005, 11:50 AM
  #43  
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Default RE: converting a stihl

The stihn 011av is a 41cc. [link]http://www.acresinternet.com/cscc.nsf/ed1d619968136da688256af40002b8f7/98ff65f86b956a2188256dee005b7cc3?OpenDocument[/link]
Old 04-11-2005, 08:09 PM
  #44  
RCSPORT FLYER
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Default RE: converting a stihl

Hi, Ken Do you know how much the Stihl 4-Mix engines are selling for? I think Stihl only sells the complete trimmer; not the engine only. I was interested in the 31.4 CC version but the larger 36CC sounds like it would make a good conversion too.
Old 04-12-2005, 11:01 PM
  #45  
KenLambert
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Default RE: converting a stihl

you would need to talk to tripp about the 4mix
Old 04-28-2005, 10:25 PM
  #46  
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Default RE: converting a stihl

Hi Ken,
I was looking at the photo of the sthil you converted in your message of 1-14-05.
What a beautiful job!

I am converting onelike this, a 23.9cc from a weedwhacker. Where can I get a prop drive like that for mine. The crank threads are 8mm x 1.25 I believe.

thanks, therockpilot
Old 04-29-2005, 01:16 AM
  #47  
Antique
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Default RE: converting a stihl

Poulan 46cc cranks are made by Husky, I very much doubt the threads are 5/16-24...Close, no cigar. 8mm, just like all smaller Sachs and Husky, and all other foreign engines...Large Sachs and Husky are 10mm...
Quadra threads are US, 5/16 and 3/8-24
Zenoah threads are 8mm and 10mm
Stihl are 8 and 10mm
DA and 3W, 8mm
Old 04-29-2005, 09:04 AM
  #48  
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Default RE: converting a stihl

RCIGN1: Glad you put those thread sizes in that post. Gotta find the right tap and get back to my project. Its getting warm..er here now. time to test!!! Forgot to ask...whats the thread size on a Homelite 23cc and 30cc Thanks, Capt,n
Old 05-01-2005, 10:50 PM
  #49  
therockpilot
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Default RE: converting a stihl

Hi Ken, i neeed a prop drive for a Sthil 23.4cc off a FS74 weedwhacker. It has 8mm x 1.25
threads on the crank at the flywheel.
I just found this forum last week and I am delighted to find so many modelers enjoying
this little engine thing .
Please get with me on a price and payment method. I can use paypal if that's ok.

Thanks , Gerald Johnson (therockpilot) [email protected]
Old 01-10-2007, 01:56 PM
  #50  
captinjohn
 
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Default RE: converting a stihl

After reading this thread....I was wondering if the 24.5cc Stihl engne is more powerfull than the 27cc Stihl engine? Whih one makes for the best conversion? Thanks Capt,n

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